Hello! I've been searching extensively for information on the CP340 RS232 card but haven't had any luck. Can anyone confirm whether the CP340 RS232 card provides a 5V output to Pin 9? Thank you!
According to the user manual, the pin designation is as follows: **Pin Designation: Input/Output** **9 - RI (Ring Indicator)** - **Input** **Function**: Indicates an incoming call As this pin is designated as an input signal, it does not provide a 5V output.
Thank you! It seems that I will need to create a custom power supply solution.
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